2155409851 is an odd 10-digits composite number following 2155409850
and preceding 2155409852 . In scientific notation, it is written as 2.155409851 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 1817393760 positive integers (up to 2155409851) that are relatively prime to 2155409851.
2155409851 has 16 divisors, whose sum is 2503690240
The reverse of 2155409851 is 1589045512
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
two billion one hundred fifty-five million four hundred nine thousand eight hundred fifty-one
Scientific notation
2.155409851 × 10^9
Engineering notation
2.155409851 × 10^9
Prime Factorization
7 × 79 × 277 × 14071
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2155409851
Product of the distinct prime numbers
The prime factorization of 2155409851 is 7 × 79 × 277 × 14071.
Since it has a total of 4 prime factors.
8 , 6 , 31 , 70 , 516 , 625 , 7001 , 9544 , 83236 , 62893 , 802864 , 268511 , 552744 , 6700875 , 10407709 , 61431316 , 392004788 , 534869204 , 9745062541 , 8653724664
n×2
4310819702
n×3
6466229553
n×4
8621639404
n×5
10777049255
n÷2
1077704925.5
n÷3
718469950.33333
n÷3
538852462.75
n÷5
431081970.2
n2
4645791625787842201
n3
1.0013585035916E+28
n4
2.158337983024E+37
n5
4.6521029503975E+46
2 √n
46426.391750813
3 √n
1291.7445001691
4 √n
215.46784389048
5 √n
73.570883710153
1 , 7 , 79 , 277 , 553 , 1939 , 14071 , 21883 , 98497 , 153181 , 1111609 , 3897667 , 7781263 , 27283669 , 307915693 , 2155409851
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155409850
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155409851 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155409851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000000011110001111000110111011
3
Ternary
12120012210011110111
4
Quaternary
2000132033012323
5
Quinary
13403241103401
6
Senary
553513525151
8
Octal
20036170673
10
Decimal
2155409851
12
Duodecimal
501a137b7
16
Hexadecimal
8078f1bb
20
Vigesimal
1ddb64cb
36
Base36
zn9wvv
md5
6460593a090c9fab818824bff5f38d96
sha1
408128fe26977403a9e7477017a80e63841867a0
sha256
a7fef6d3df0758e9012bab1294ca8a38b4f324d2cb8f2192286b1d691996f68c
sha512
0de38b4675c489dbaada778d09172b870d48d8600ee2247ae221eadc942d304752511cf9975b4e0100823c5b8f91a39710226d91355647296b0100854cdc07b6
ripemd-160
679eb186e9d5de1393e34ef9e9c4bc62a32fd8c5
Diameter
4310819702
Circumference
13542839506.753
Area
1.4595184841684E+19
Volume
4.1944806913242E+28
Surface area
5.8380739366736E+19
Circumference
13542839506.753
Perimeter
8621639404
Area
4645791625787842201
Diagonal
3048209843.7568
Surface area
2.7874749754727E+19
Volume
1.0013585035916E+28
Space diagonal
3733279373.0665
Perimeter
6466229553
Area
2.0116867843106E+18
Altitude
1866639686.5332
Surface area
2.0116867843106E+18
Volume
1.1801123138141E+27
Height
1016069947.9189